Publication
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Studies on African Characid Fishes I. The tribe Alestidi (I) Article
Beaufortia, 1(3), 1-8.January 1951
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La géologie du massif de Gigondas Article
Leidse Geologische Mededelingen, 16(1), 1-55.January 1951
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Monograph on the Foraminifera of the type-locality of the Maestrichtian (South-Limburg, Netherlands) Article
Leidse Geologische Mededelingen, 16(1), 197-331.January 1951
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The geology of the Dalskog Dals-Rostock region Dalsland, Sweden Article
Leidse Geologische Mededelingen, 16(1), 56-195.January 1951
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A new species of Bat from Cambodge, Glischropus rosseti sp. nov Article
Beaufortia, 1(8), 1-6.January 1951
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Description d’une espèce nouvelle, type d’un genre inédit, appartenant à la famille des Cynoglossidae, sous-famille des Cynoglossinae Article
Beaufortia, 1(7), 1-10.January 1951
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Een nieuwe kleine Gobiide vis met samengegroeide buikvinnen bij de man (Dormitator lophocephalus sp. nov.) Article
Beaufortia, 1(2), 1-6.January 1951
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Some notes on Notodelphys rufescens Thorell, 1860, new to the Dutch Fauna Article
Beaufortia, 1(6), 1-4.January 1951